131073385 has 4 divisors (see below), whose sum is σ = 157288068. Its totient is φ = 104858704.

The previous prime is 131073377. The next prime is 131073407. The reversal of 131073385 is 583370131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78481881 + 52591504 = 8859^2 + 7252^2 .

It is a cyclic number.

It is not a de Polignac number, because 131073385 - 2³ = 131073377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13107334 + ... + 13107343.

It is an arithmetic number, because the mean of its divisors is an integer number (39322017).

Almost surely, 2^131073385 is an apocalyptic number.

It is an amenable number.

131073385 is a deficient number, since it is larger than the sum of its proper divisors (26214683).

131073385 is an equidigital number, since it uses as much as digits as its factorization.

131073385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26214682.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 131073385 is about 11448.7285320249. The cubic root of 131073385 is about 507.9701258085.

The spelling of 131073385 in words is "one hundred thirty-one million, seventy-three thousand, three hundred eighty-five".